the vintage rail car in which obama rode dates to 1939.
奥巴马乘坐的铁路老爷车可以追溯到1939年。
firefighters pour water on a burning a rail car loaded with 29,000 gallons of liquid propane in lincoln, calif. , wednesday, aug. 24, 2011.
2011年8月24日,在美国加州林肯市,消防队员向燃烧的轨道车上浇水,车上装有29000加侖液态丙烷。
u.s. senator chuck grassley of iowa chooses to walk rather than ride a senate subway rail car from the dirksen senate office building into the capitol april 5, 2011.
美国爱荷华州参议员chuckgrassley选择步行从迪克森参议办公楼到国会大厦,而非搭乘参议员地铁专列。 拍摄于2011年4月5日。
the constitution and specific features and principle of light rail car washing system are described.
本文叙述了城市轻轨列车洗车机的原理、组成及特点。
taking a prototype light rail car with aluminum alloy car-body for example, the test model analysis is carried out. the test results show that the prototype car has good dynamic characteristics.
针对一台铝合金车体的轻轨样车,进行了试验模态分析,通过试验说明了该样车具有良好的动态特性。
based on the result of analysis on domestic and international railcar and motor trainset market, the author pointed out that it is necessary to quicken the tempo of developing national rail car …
简析了铁路动车和动车组国内、国际市场的现状和发展趋向,指出进一步加强和加快我国铁路动车和动车组发展的必要性和紧迫性。
a spare latching end effector for the station's robotic arm, and a spare trailing umbilical system for the rail car that the arm travels on.
1个备用的航天站机械臂插销锁定感应器和1个备用的胎盘式拖曳体系用于装载机械臂的轨道车移动。
the wheel band pre-installation used snap ring is wholly buckle installed in the groove of the wheel band relative to the rail car wheel.
所述的轮箍预装用卡环,其整体扣装在轨道机车轮对的轮箍的沟槽中。
main rail car toy, alloy car models, jigsaw puzzles and so many types of toys!
主营玩具轨道车、合金车模型,智力拼图等等多种类型玩具!
the development process, general layout and performance of the gcd-1000 heavy rail car were described, and the design method, performance test and technic evaluation were discussed.
介绍了gcd-1000型重型轨道车的研制过程、总体布置、技术性能、设计方法、综合性能试验、运行考核及技术评审等。
the research results show that the non-linear critical speed of the rail car is fairly high, with fairly big stability margin;
研究结果表明:该轨道车非线性临界速度较高,具有较大的稳定性裕度;